You've just got to control everyone and everything. Even then, you're never satisfied. You can keep downvoting comments with your alt account @positivum all you want, it's quite amusing. I have no idea why you would use a Palestinian flag for your avatar on that account; that's creepy, weird, and yet another sign of your instability.
He can be downvoted as well and rightfully so! And your comment is quite correct. A relative newcomer like this can drive away longtime users, absolutely unimaginable before... All the best!